Unlock the Hidden Value in Wastewater: From Treatment to Resource Recovery

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Wastewater treatment technologies and nutrient recovery - Solution

Advanced Biological Treatment Systems

We implement and optimize biological processes that use microorganisms to break down organic pollutants and nutrients in wastewater, enabling efficient treatment and recovery.

  • Design and operation of activated sludge systems for organic matter removal
  • Implementation of anaerobic digestion to produce biogas from sludge
  • Utilization of membrane bioreactors for enhanced nutrient separation

Nutrient Recovery And Reuse

We focus on technologies that extract valuable nutrients like nitrogen and phosphorus from wastewater streams, converting them into marketable fertilizers or other products.

  • Struvite precipitation to recover phosphorus as a slow-release fertilizer
  • Ammonia stripping and absorption for nitrogen recovery
  • Integration of recovery processes into existing treatment plants

Innovative Filtration And Separation

We employ cutting-edge filtration methods to remove contaminants and concentrate nutrients, ensuring high-quality effluent and facilitating nutrient harvesting.

  • Application of reverse osmosis and nanofiltration for advanced purification
  • Use of constructed wetlands for natural filtration and nutrient uptake
  • Deployment of electrodialysis for selective ion separation

Process Integration And Optimization

We provide holistic solutions that combine multiple treatment and recovery technologies, tailored to specific wastewater characteristics and client goals for efficiency and sustainability.

  • Customized system design to maximize nutrient recovery rates
  • Energy and resource efficiency assessments for cost reduction
  • Continuous monitoring and control systems for optimal performance
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Frequently Asked Questions (Q&A)

A: Advanced technologies such as anaerobic digestion, struvite precipitation, and membrane bioreactors (MBRs) are highly effective for nutrient recovery. Anaerobic digestion converts organic matter into biogas while releasing nutrients into digestate, which can be further processed. Struvite precipitation specifically recovers phosphorus and nitrogen by forming a solid fertilizer. MBRs combine biological treatment with membrane filtration, allowing for high-quality effluent and concentrated nutrient streams suitable for recovery.

A: Nutrient recovery transforms wastewater from a disposal problem into a resource, reducing reliance on energy-intensive synthetic fertilizers and minimizing nutrient pollution in water bodies. By reclaiming nutrients like phosphorus and nitrogen for use as fertilizers, it closes nutrient loops, conserves finite resources (e.g., phosphate rock), and lowers greenhouse gas emissions from fertilizer production. This supports circular economy principles by turning waste into valuable products.

A: Key challenges include high capital and operational costs, the need for retrofitting older infrastructure, and variability in wastewater composition affecting recovery efficiency. Additionally, regulatory frameworks often lag behind technological advances, and market demand for recovered nutrients can be uncertain. Energy requirements and the management of by-products also pose practical hurdles, requiring tailored solutions for each plant.